000 00267nam a2200109Ia 4500
008 220201s1991 xx 000 0 eng d
100 _aAGGARWAL M L
245 0 _aLIBRARY REFERENCE SERVICE
260 _aLONDON
_bPRINT WELL OFFSET
_c1991
300 _a148
942 _2ddc
999 _c92046
_d92046